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https://gitlab.com/cryptsetup/cryptsetup.git
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5814b39cdd
If the device is in reencryption, it has two active volume keys. Linking the VK to keyring is not supported for such devices, because the API only counts with one key. This commit modifies the API crypt_set_keyring_to_link to allow passing multiple keyring key names.
57 lines
2.1 KiB
C
57 lines
2.1 KiB
C
/*
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* utils_crypt - cipher utilities for cryptsetup
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*
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* Copyright (C) 2004-2007 Clemens Fruhwirth <clemens@endorphin.org>
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* Copyright (C) 2009-2023 Red Hat, Inc. All rights reserved.
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* Copyright (C) 2009-2023 Milan Broz
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _UTILS_CRYPT_H
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#define _UTILS_CRYPT_H
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#include <stdbool.h>
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struct crypt_device;
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#define MAX_CIPHER_LEN 32
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#define MAX_CIPHER_LEN_STR "31"
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#define MAX_KEYFILES 32
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#define MAX_KEYRING_LINKS 2
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#define MAX_CAPI_ONE_LEN 2 * MAX_CIPHER_LEN
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#define MAX_CAPI_ONE_LEN_STR "63" /* for sscanf length + '\0' */
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#define MAX_CAPI_LEN 144 /* should be enough to fit whole capi string */
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#define MAX_INTEGRITY_LEN 64
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int crypt_parse_name_and_mode(const char *s, char *cipher,
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int *key_nums, char *cipher_mode);
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int crypt_parse_hash_integrity_mode(const char *s, char *integrity);
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int crypt_parse_integrity_mode(const char *s, char *integrity,
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int *integrity_key_size);
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int crypt_parse_pbkdf(const char *s, const char **pbkdf);
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ssize_t crypt_hex_to_bytes(const char *hex, char **result, int safe_alloc);
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char *crypt_bytes_to_hex(size_t size, const char *bytes);
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void crypt_log_hex(struct crypt_device *cd,
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const char *bytes, size_t size,
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const char *sep, int numwrap, const char *wrapsep);
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bool crypt_is_cipher_null(const char *cipher_spec);
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int crypt_capi_to_cipher(char **org_c, char **org_i, const char *c_dm, const char *i_dm);
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#endif /* _UTILS_CRYPT_H */
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